iPadOS 18.7.3 (build 22H217) is an official Apple over-the-air update for the iPad Pro 4 (12.9-inch, Cellular), released on 2025-12-12T18:13:00Z. The update package is 5.79 GB. This is a delta (partial) update that requires 14.8 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: aa3aee91f7306d3fb13aede8ee9455a7d03215c2.zip.